The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 8093913 | Film thickness measurement device and method A film thickness measurement device, which measures the film thickness of an oil film of lubricating oil, formed in a gap between a piston ring and an electrode provided flush with a piston ring sliding surface of a cylinder liner, by detecting the electrostatic cap... | 01/10/2012 |
| 8004290 | Method and apparatus for determining dielectric layer properties A method and apparatus for determining dielectric layer properties are disclosed. Dielectric layer properties such as dielectric thickness, dielectric leakage or other electrical information may be determined for a multilayer film stack on a semiconducting or conduc... | 08/23/2011 |
| 7911213 | Methods for measuring dielectric properties of parts A method is disclosed for calibrating a capacitance of an apparatus for measuring dielectric properties of a part. The apparatus includes an electrically grounded chamber, a lower electrode disposed within the chamber and connected to a radiofrequency (RF) transmiss... | 03/22/2011 |
| 7486087 | Method for measuring thickness of print products passing spaced apart at specific distances in a conveying flow through a measuring device A device for measuring the thickness of print products in a conveying flow includes a plate capacitor having a first plate and a second plate located on opposite sides of the print products. The plate capacitor is adapted to measure capacitance of the print products... | 02/03/2009 |
| 7375537 | Method and apparatus for measuring relative dielectric constant A relative-dielectric-constant measuring apparatus according to the present invention includes an ellipsometer and a capacitance measuring part. The ellipsometer allows non-contact measurements of the film thickness and optical constants of an insulation film formed... | 05/20/2008 |
| 7368921 | Printed capacitive sensor The invention relates to a flexible, resilient capacitive sensor suitable for large-scale manufacturing. The sensor includes a dielectric, an electrically conductive detector and trace layer on the first side of the dielectric layer comprising a detector and trace, ... | 05/06/2008 |
| 7368922 | Method and device for determining parameters of fluctuating flow The invention relates to a method and a device for determining the parameters of a fluctuating flow of a fluid in a pipe, wherein at least three electrodes that are placed at a distance from one another in the direction of flow are provided in the periphery of the f... | 05/06/2008 |
| 7369255 | Apparatus and method for capacitive measurement of materials Method for measuring thicknesses of a film, a foil or a material layer with a measuring head which is spaced away from the film and with which a capacitive thickness measurement is performed, in which an optical distance measurement is performed with a distance meas... | 05/06/2008 |
| 7358748 | Methods and systems for determining a property of an insulating film A method for determining a property of an insulating film is provided. The method may include obtaining a charge density measurement of the film, a surface voltage potential of the film relative to a bulk voltage potential of the substrate, and a rate of voltage dec... | 04/15/2008 |
| 7358746 | Method and measuring appliance for locating enclosed objects In a method for locating objects enclosed in a medium, a detection signal is generated by at least one capacitive sensor. The detection signal penetrates the medium that is to be analyzed in such a way that information is obtained about the objects that are enclosed... | 04/15/2008 |
| 7355782 | Systems and methods of controlling micro-electromechanical devices An interference modulator (Imod) incorporates anti-reflection coatings and/or micro-fabricated supplemental lighting sources. An efficient drive scheme is provided for matrix addressed arrays of IMods or other micromechanical devices. An improved color scheme provid... | 04/08/2008 |
| 7352194 | Method for determining the thickness of a coating on a composite material The invention relates to a method for determining the thickness of a coating on a composite material by applying induced currents wherein the composite material together with its coating is placed on a conducting material, in which circulating electric currents indu... | 04/01/2008 |
| 7330035 | Object shape determination method and system therefor An unknown object shape is computed using repeated iterations of electrostatic calculations on a predetermined shaped object and sensed electrostatic measurements. The predetermined object shape is morphed toward the unknown object shape at each iteration until the ... | 02/12/2008 |
| 7330032 | Techniques for building-scale electrostatic tomography Techniques for imaging a search region to detect a dielectric target include placing multiple electrodes outside the search region. At least two electrodes are activated independently of each other. Emitter circuits are connected to corresponding emitter electrodes.... | 02/12/2008 |
| 7323423 | Forming high-k dielectric layers on smooth substrates A buffer layer and a high-k metal oxide dielectric may be formed over a smooth silicon substrate. The substrate smoothness may reduce column growth of the high-k metal oxide gate dielectric. The surface of the substrate may be saturated with hydroxyl terminations pr... | 01/29/2008 |
| 7314160 | Automatic money transaction machine An automatic money transaction machine, which is small in size, to be able to detect a state of a tear in a bill with good accuracy and gives good service and no discomfort to a customer, includes a receipt/payment opening 4, a discriminating unit 6, a... | 01/01/2008 |
| 7315174 | Method of measuring flat-band status capacitance of a gate oxide in a MOS transistor device A method of measuring flat-band status capacitance of a gate oxide in a MOS transistor device is disclosed. According to the method of measuring flat-band status capacitance of gate oxide in MOS transistor device, flat-band status capacitance of gate oxide in MOS tr... | 01/01/2008 |
| 7301351 | Printed capacitive sensor The invention relates to a flexible, resilient capacitive sensor suitable for large-scale manufacturing. The sensor comprises a dielectric, an electrically conductive detector and trace layer on the first side of the dielectric layer comprising a detector and trace,... | 11/27/2007 |
| 7295019 | Security scanners with capacitance and magnetic sensor arrays Security scanning devices based on electrical tomography, including tomography systems based on the measurement of capacitance (ECT) and electromagnetic tomography (EMT), in combination with knowledge-based image analysis and understanding. Each device includes a se... | 11/13/2007 |
| 7284467 | Apparatus and method for detecting dangerous conditions in power equipment Woodworking machines are disclosed having electrically conductive cutting tools adapted to cut workpieces. The machines include a contact detection system capacitively coupled to the cutting tool, and adapted to detect contact between a person and the cutting tool. ... | 10/23/2007 |
| 7286118 | Object sensing An integrated display and object sensing user input device is described. Display components and electric field sensing components are provided on a substrate. Also described is a sensing circuit for detecting current induced in a receiving electrode of an electric f... | 10/23/2007 |
| 7277817 | Position sensing device A position sensing device having an insulating board, a first conductive sensing element, a second conductive sensing element, an oscillator, conductive material, a differential amplifier, and a processor. The first and second spaced conductive sensing elements are ... | 10/02/2007 |
| 7276918 | Sensor and apparatus for measuring the flow electric potential The present invention provides a sensor and apparatus for measuring flow electric potential for evaluation of a degree of electrodeposition of paint applied to the body or chassis of a vehicle. The sensor includes a base plate part, a dielectric polymer member, a po... | 10/02/2007 |
| 7276917 | Printed capacitive sensor The invention relates to a flexible, resilient capacitive sensor suitable for large-scale manufacturing. The sensor includes a dielectric, an electrically conductive detector and trace layer on the first side of the dielectric layer including a detector and trace, a... | 10/02/2007 |
| 7256588 | Capacitive sensor and method for non-contacting gap and dielectric medium measurement A method for non-contact measurement of a displacement between a surface and a capacitive sensor comprised of at least two superimposed conductive plates electrically insulated one from the other and a sensor circuit coupled to the plates including: positioning the ... | 08/14/2007 |
| 7256589 | Capacitive sensor system with improved capacitance measuring sensitivity A capacitance sensor system and method includes a capacitive sensor as an array of sensor electrodes near the surface of the integrated circuit and charge pump circuits for measuring the capacitance at each sensor electrode. Shield electrodes and unused sense electr... | 08/14/2007 |
| 7250774 | Fingerprint sensor The present invention relates to a fingerprints detection apparatus by a capacitance detection method. The fingerprints detection apparatus of the present invention includes a sensor portion in which an insulating protection film is formed so as to cover detection e... | 07/31/2007 |
| 7242298 | Method and apparatus for detecting charge and proximity A method and apparatus is invented that provides unambiguously detection of the charge and proximity to an object. The method and apparatus are passive and function by using the background electric fields from electrical power wiring and equipment. The invention is ... | 07/10/2007 |
| 7239227 | Command interface using fingerprint sensor input system A substrate having a fingerprint sensing system usable as a command interface using finger movements. A user's fingerprint pattern is recognized and compared to previously stored reference patterns. If the fingerprint pattern matches a previously stored pattern, the... | 07/03/2007 |
| 7235986 | Capacitive position sensing system with resonant amplification At least one exemplary embodiment of the present invention includes a capacitive sensing system, comprising a sensing conductor coupleable to a grounded target by a gap capacitance Cd, said grounded target separated from said sensing conductor by a gap ha... | 06/26/2007 |
| 7233154 | Proximity sensor A proximity sensor module includes a housing; and a proximity sensor disposed in the housing, wherein the proximity sensor comprises a sensor plate configured to contact inside of the housing such that substantially no gap exists between the sensor plate and the hou... | 06/19/2007 |
| 7218498 | Touch switch with integral control circuit A touch switch apparatus for detecting the presence of an object such as a human appendage, the apparatus having a touch pad, an electric field generated about the touch pad and also having a preferably integrated and local control circuit connected to the touch pad... | 05/15/2007 |
| 7212014 | Stud sensor with floating head A sensor such as a stud sensor having a capacitor plate coupled with a spring to a head to provide a floating head. In other versions, the sensor has an on-switch coupled between a head and a body of a sensor; a head detachable from a body of the sensor; a marking i... | 05/01/2007 |
| 7208960 | Printed capacitive sensor The invention relates to a flexible, resilient capacitive sensor suitable for large-scale manufacturing. The sensor comprises a dielectric, an electrically conductive detector and trace layer on the first side of the dielectric layer comprising a detector and trace,... | 04/24/2007 |
| 7205780 | Multi-frequency capacitive measurement device and a method of operating the same A method and a system is provided that includes a multifrequency generator supplying signals of at least three different frequencies to an electrode assembly, the capacitance of which is detected for a plurality of different frequency points. In this way, the capaci... | 04/17/2007 |
| 7198225 | Aircraft control system A solar rechargeable, long-duration, span-loaded flying wing, having no fuselage or rudder. Having a two-hundred foot wingspan that mounts photovoltaic cells on most all of the wing's top surface, the aircraft uses only differential thrust of its eight propellers to... | 04/03/2007 |
| 7182017 | Beverage server with beverage detector Disclosed is a conductivity detector assembly for use with a beverage preparation apparatus as well as a hot water dispensing apparatus. The conductivity detecting assembly includes a non-conductive spacer for spacing apart a first conductive portion and a second co... | 02/27/2007 |
| 7180286 | Hand-held device for non-destructive thickness measurement An apparatus for non-destructive measurement of the thickness of thin layers, has a housing and a probe which is connected to an evaluation unit and to which signals are emitted during a measurement for determining the layer thickness, and having a display apparatus... | 02/20/2007 |
| 7167093 | Method of steering capacitor fields for use in capacitive sensing security systems The present invention provides a capacitive sensing apparatus having utility in object detection security applications whereby the object detection field generated by the apparatus is made steerable. The apparatus includes a power source having a ground connection i... | 01/23/2007 |
| 7151452 | Vehicle occupant sensing system A vehicle occupancy sensing system provides a mechanism for determining whether a child is present in a vehicle. The sensing system may determine that an occupied front or rear facing child seat is present in an automobile, for example. To that end, the sensing syst... | 12/19/2006 |